Sr-a1a over Boynton Inlet
Palm Beach County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sr-a1a over Boynton Inlet in Palm Beach County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 6,700 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 138 of the 607 inventoried bridges in Palm Beach County rated fair (22.7%); 2 (0.3%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (26.54552, -80.04332)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 133 ft |
| Location | 1.3 Miles North of SR-804 |
| NBI structure number | 930061 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Palm Beach County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 95 SR 9 over 12th Avenue South | 1975 | 252,000 | Good |
| I 95 SR 9 over 6th Avenue South | 2007 | 247,000 | Good |
| I 95 SR 9 over 17th Avenue North | 1975 | 233,000 | Fair |
| I-95 (SR-9) over Drainage Canal | 1974 | 232,000 | Good |
| I 95 SR 9 over El Rio Canal | 1974 | 231,000 | Good |
| I 95 SR 9 over SR 882 Forest Hill Blvd | 1975 | 224,000 | Good |
All bridges nearby: Palm Beach County, FL bridge conditions · every bridge in Palm Beach County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.